Showerhead



FIG. 1 is a top perspective view of a showerhead showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a third side view thereof; and,

FIG. 8 is a fourth side view thereof. 

CLAIM The ornamental design for a showerhead, as shown and described. 